// The MIT License (MIT)

// Copyright (c) 2013 lailongwei<lailongwei@126.com>
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of 
// this software and associated documentation files (the "Software"), to deal in 
// the Software without restriction, including without limitation the rights to 
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of 
// the Software, and to permit persons to whom the Software is furnished to do so, 
// subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all 
// copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


using System;
using System.Reflection;

namespace llbc
{
    /// <summary>
    /// llbc library initer, use for init/destroy llbc library.
    /// </summary>
    public static class LibIniter
    {
        /// <summary>
        /// Init llbc library.
        /// </summary>
        public static void Init(Assembly loaderAssembly)
        {
            if (loaderAssembly == null)
                throw new LLBCException("Loader assembly could not be null");
            else if (LLBCNative.csllbc_Startup() != 0)
                throw ExceptionUtil.CreateExceptionFromCoreLib();

            _loaderAssembly = loaderAssembly;
            RegHolderCollector.Collect(loaderAssembly, false);
        }

        /// <summary>
        /// Destroy llbc library.
        /// </summary>
        public static void Destroy()
        {
            if (LLBCNative.csllbc_Cleanup() != 0)
                throw ExceptionUtil.CreateExceptionFromCoreLib();
        }

        /// <summary>
        /// Get llbc library loader assembly.
        /// </summary>
        public static Assembly loaderAssembly
        {
            get { return _loaderAssembly; }
        }

        private static Assembly _loaderAssembly;
    }
}